- Movement of tectonic plates: When Earth’s plates collide, slide past, or move away from each other, stress builds up and is released suddenly as an earthquake.
- Volcanic activity: Eruptions can cause earthquakes when magma forces its way through cracks in the crust, creating tremors around the volcano.
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प्रश्न
State two natural causes of an earthquake.
लघु उत्तर
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उत्तर
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Earthquake and its causes
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पाठ 8: Earthquakes - EXERCISES [पृष्ठ ७९]
APPEARS IN
संबंधित प्रश्न
Give reasons why an earthquake occurs.
Fill in the blank:
The giant sea waves caused by earthquakes in the oceans are called ___________.
Name two man-made causes of an earthquake.
Describe how earthquakes are caused on the surface of the earth.
How is the intensity of an earthquake measured?
How an earthquake is caused?
Name the important Earthquake-belts of the world.
OR
Indicate two major belts of Earthquakes.
Name the causes of earthquakes.
Why are earthquakes related to volcanoes?
Give reasons for the following:
Internal processes are different from external processes.
Give reasons for the following:
Folding and faulting frequently go together.
The earthquake waves are recorded by an instrument known as ______.
Seismology is the study of ______.
Choose the odd one
Define Earthquake.
What is Seismograph?
In India, the Himalayan region and the ______ valley are prone to earthquakes.
Name the point where the vibrations originate in an earthquake.
Choose the odd one.
focus, epicenter, vent, seismic waves
